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      11-07-2019, 01:30 PM   #129
steve090619
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Drives: bmw 540xi
Join Date: Jan 2017
Location: ny

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Quote:
Originally Posted by AP View Post
Ok not a dumb question

There are 2 reservoirs in the bottom right had side of the engine bay as you stand in front in the car
Unscrew these when the car has cooled down. I found them quite hard to unscrew particularly the large one requiring 2 hands to do so
There is a marker inside with min and max , there should be fluid in there at least up to min. A torch will help see inside

Looking below these reservoirs I saw a light coloured residue , not that obvious but there, again a torch helps

If need to fill up use coolant mixed with distilled water 50:50
Quote:
Originally Posted by AP View Post
Ok not a dumb question

There are 2 reservoirs in the bottom right had side of the engine bay as you stand in front in the car
Unscrew these when the car has cooled down. I found them quite hard to unscrew particularly the large one requiring 2 hands to do so
There is a marker inside with min and max , there should be fluid in there at least up to min. A torch will help see inside

Looking below these reservoirs I saw a light coloured residue , not that obvious but there, again a torch helps

If need to fill up use coolant mixed with distilled water 50:50
I have added coolant twice so far, both at around 14,000 miles. I think car just burns coolant. If your filling every other week or every 2000 tp 4000 miles, I would then look into a leak.
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